female vo: moms like christie would be stretched even more under mitt romney. to fund his tax cuts for millionaires, romney could take away middle class deductions for child care, home mortgages, and college tuition. christie: mitt romney, he's so focused on big business and tax cuts for the wealthy... it seems like his answers to middle-class america are just...tough...tough luck. [ mitt romney ] there are 47% of the people who will vote for the president no matter what... who are dependent upon government, who believe that they are victims, who believe that government has a responsibility to care for them, who believe that they are entitled to health care, to food, to housing, to you-name-it... and they will vote for this president no matter what... and so my job is not to worry about those people. i'll never convince them they should take personal responsibility and care for their lives. >> you thought the lines were bad, but now the food got expensive at d.c. food trucks. starting today you pay an extra 10%. laura evans has the story tonight. >> reporter: t